Atreyu, Warrior of the Plains

Riot, first strike, vigilance
Whenever Atreyu deals combat damage to a player, you
may search your library for a basic land card and put it into the battlefield tapped.

Whenever you search your library, put a +1/+1 counter on Atreyu.

{2}{r/g}, {t}: Atreyu fights target creature with a +1/+1 counter on it.
{2}{g/w}, {t}: Destroy target artifact or enchantment.